netdev - Re: Strange Panic (Deadlock)

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Date:	Tue, 25 Dec 2007 12:11:50 +0300
From:	Badalian Vyacheslav <slavon@...telecom.ru>
To:	Jarek Poplawski <jarkao2@...il.com>
CC:	netdev@...r.kernel.org
Subject: Re: Strange Panic (Deadlock)

Jarek Poplawski пишет:
> slavon@...telecom.ru wrote, On 12/24/2007 07:18 PM:
>
>   
>> Hello again.
>> Its bug depend to
>> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4aae07025265151e3f7041dfbf0f529e122de1d8
>> ?
>>     
>   
ok. i will add it to bugtracker, but bug process in gentoo and in
vanilla kernel.
I send to netdev mail list becouse i think that bug depend to TC or
IPTABLES functional.
I have 4 machine. All platforms different.   All machine do 1 time in
hour rebuild TC and IPTABLES rules.
After it do
echo START >> log.txt
iptables-restore < xxx.txt
tc qdisc del dev eth0 root
tc qdisc del dev eth1 root
tc -b new_rules.txt
echo END >> log.txt

and its all that its doing.
Bug always be between START and END
All machines have above 300mbs traffic.
I try turn off rebuilding rules on 1 PC and it work 3 week without reboot!

I think that situation ask that problem depends to network. If its
mistake - sorry please.

Slavon

> Hello Vyacheslav!
>
> I wonder why do you think there is such a dependency, and why do you report
> timer.c bug to netdev after all? I added some CCs here, but IMHO you would
> better open a new bug at bugzilla.kernel.org, adding some more details like
> .config, and reply back to this thread with the bug's number. BTW, if it's
> patched by Gentoo or otherwise, you should try and report on 'vanilla' one
> only.
>
> Regards,
> Jarek P.
>
>   
>> Its very critical bug to us. This PC must be HA. Server place so far  
>> for me to go and reboot server. I go to it 1-3 times in week =(
>> Please help to fix it =)
>>
>>     
>>> Hello all. Some time machine freeze. No information on monitor. No
>>> rebooting on sysctl "kernel.panic".
>>> Any idea?
>>>
>>> Catched by netconsole:
>>> [91922.085864] ------------[ cut here ]------------
>>> [91922.085975] kernel BUG at kernel/timer.c:606!
>>> [91922.086058] invalid opcode: 0000 [#1]
>>> [91922.086127] SMP
>>> [91922.086201] Modules linked in: netconsole cls_u32 sch_sfq sch_htb
>>> xt_tcpudp iptable_filter ip_tables x_tables i2c_i801 i2c_core
>>> [91922.086386] CPU:    1
>>> [91922.086387] EIP:    0060:[<c0127387>]    Not tainted VLI
>>> [91922.086389] EFLAGS: 00010087   (2.6.23-gentoo-r4-fw #4)
>>> [91922.086600] EIP is at cascade+0x34/0x4f
>>> [91922.086669] eax: c0452200   ebx: f450408c   ecx: 00000022   edx: f3c6e08c
>>> [91922.086740] esi: 00000022   edi: c21ce000   ebp: 00000001   esp: c21c3ef8
>>> [91922.086815] ds: 007b   es: 007b   fs: 00d8  gs: 0000  ss: 0068
>>> [91922.086885] Process swapper (pid: 0, ti=c21c2000 task=c21af000
>>> task.ti=c21c2000)
>>> [91922.086954] Stack: f3c6e08c c21bfb74 00000000 c21ce000 0000000a
>>> c012767a c21af000 00000001
>>> [91922.087119]        c21c3f18 c0106963 c21c3f68 00000001 00000021
>>> c03c0b08 0000000a c0124556
>>> [91922.087285]        00000046 00000000 c21c2008 00000000 c01245ec
>>> c2015120 c0114a11 00000046
>>> [91922.087451] Call Trace:
>>> [91922.087586]  [<c012767a>] run_timer_softirq+0x51/0x154
>>> [91922.087669]  [<c0106963>] profile_pc+0x21/0x46
>>> [91922.087752]  [<c0124556>] __do_softirq+0x5d/0xc1
>>> [91922.087833]  [<c01245ec>] do_softirq+0x32/0x36
>>> [91922.087915]  [<c0114a11>] smp_apic_timer_interrupt+0x74/0x80
>>> [91922.087997]  [<c010484c>] apic_timer_interrupt+0x28/0x30
>>> [91922.088076]  [<c0102255>] mwait_idle_with_hints+0x3b/0x3f
>>> [91922.088162]  [<c0102259>] mwait_idle+0x0/0xa
>>> [91922.088237]  [<c0102398>] cpu_idle+0x91/0xaa
>>> [91922.088319]  =======================
>>> [91922.088390] Code: 08 8d 04 ca 8b 10 89 62 04 89 14 24 8b 50 04 89 22
>>> 89 00 89 54 24 04 8b 14 24 89 40 04 8b 1a eb 19 8b 42 14 83 e0 fe 39 f8
>>> 74 04 <0f> 0b eb fe 89 f8 e8 d8 fe ff ff 89 da 8b 1b 39 e2 75 e3 59 89
>>> [91922.088864] EIP: [<c0127387>] cascade+0x34/0x4f SS:ESP 0068:c21c3ef8
>>>
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>>>       
>>
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>>     
>
>
>
>   

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